tools/grub/grub-update.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2016 Jiri Svoboda
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 #
  10 # - Redistributions of source code must retain the above copyright
  11 #   notice, this list of conditions and the following disclaimer.
  12 # - Redistributions in binary form must reproduce the above copyright
  13 #   notice, this list of conditions and the following disclaimer in the
  14 #   documentation and/or other materials provided with the distribution.
  15 # - The name of the author may not be used to endorse or promote products
  16 #   derived from this software without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 #
  29
  30 #
  31 # Script to generate/update prebuilt Grub2 in HelenOS source tree
  32 # Be sure you know what you are doing!
  33 #
  34
  35 origdir="$(cd "$(dirname "$0")" && pwd)"
  36 helenosdir="$origdir/../.."
  37 workdir="$origdir/grub-src"
  38 builddir="$origdir/grub-build"
  39 git_repo="git://git.savannah.gnu.org/grub.git"
  40 grub_rev="bc220962e366b1b46769ed6f9fa5be603ba58ab5"
  41
  42 function grub_build()
  43 {
  44         target="$1"
  45         platform="$2"
  46
  47         ./configure --prefix="$builddir/$target-$platform" --target="$target" --with-platform="$platform" || exit 1
  48         make clean || exit 1
  49         make install || exit 1
  50 }
  51
  52 function grub_files_update()
  53 {
  54         gdir="$1"
  55         platform="$2"
  56
  57         rm -rf "$helenosdir"/boot/"$gdir"/"$platform" || exit 1
  58         cp -R "$builddir"/"$platform"/lib64/grub/"$platform" "$helenosdir"/boot/"$gdir" || exit 1
  59         rm -f "$helenosdir"/boot/"$gdir"/"$platform"/*.image || exit 1
  60         rm -f "$helenosdir"/boot/"$gdir"/"$platform"/*.module || exit 1
  61         git add "$helenosdir"/boot/"$gdir"/"$platform" || exit 1
  62 }
  63
  64 # Prepare a clone of Grub2 repo
  65 if [ ! -d "$workdir" ] ; then
  66         rm -rf "$workdir" "$builddir" || exit 1
  67         git clone "$git_repo" "$workdir" || exit 1
  68 fi
  69
  70 cd "$workdir" || exit 1
  71 git pull || exit 1
  72 git reset --hard "$grub_rev" || exit 1
  73
  74 echo "$grub_rev" >"$helenosdir"/boot/grub.pc/REVISION || exit 1
  75 echo "$grub_rev" > "$helenosdir"/boot/grub.efi/REVISION || exit 1
  76
  77 # Build each platform to a different directory
  78 ./autogen.sh || exit 1
  79 grub_build i386 pc
  80 grub_build i386 efi
  81 grub_build x86_64 efi
  82
  83 # Extract El Torrito boot image for i386-pc
  84 cd "$helenosdir"/boot/grub.pc || exit 1
  85 rm -f pc.img || exit 1
  86 "$builddir"/i386-pc/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
  87
  88 # Extract El Torrito boot image for i386-efi
  89 cd "$helenosdir"/boot/grub.efi || exit 1
  90 rm -f efi.img.gz || exit 1
  91 "$builddir"/i386-efi/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
  92 mv efi.img i386-efi.img
  93
  94 # Extract El Torrito boot image for x86_64-efi
  95 cd "$helenosdir"/boot/grub.efi || exit 1
  96 rm -f efi.img.gz || exit 1
  97 "$builddir"/x86_64-efi/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
  98
  99 # Combine El Torrito boot images for x86_64-efi and i386-efi
 100 mkdir tmp || exit 1
 101 mcopy -ns -i i386-efi.img ::efi tmp || exit 1
 102 mcopy -s -i efi.img tmp/* :: || exit 1
 103 gzip efi.img || exit 1
 104 rm -rf tmp || exit 1
 105 rm -f i386-efi.img || exit 1
 106
 107 # Update Grub files for all platforms
 108 grub_files_update grub.pc i386-pc
 109 grub_files_update grub.efi i386-efi
 110 grub_files_update grub.efi x86_64-efi
 111
 112 echo "GRUB update successful."